Cat zipper bags, would be the cutest pencil case ever - possibly a good DIY?
Molde Necessarie Coruja + 4 moldes de artesanato
Owl Clutch - this would make a cute pencil pouch too
For a snack bag/lunch box? simply sweet baby bunny bag - cut fabrics (and interfacing) of your choice: they measure (approximately!) inches high, inches wide and inches deep. The bunny ears are inches long.
no pattern, coin purse, for Rach
The three bears purse
Inspiration for doll pencil case
Cute little bag sewing inspiration
Llaveros patchwork, no pattern but interesting idea